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Genomics-assisted breeding for pigeonpea improvement.

Abhishek Bohra1, K B Saxena2, Rajeev K Varshney3

  • 1ICAR-Indian Institute of Pulses Research (IIPR), Kanpur, 208024, India. abhi.omics@gmail.com.

TAG. Theoretical and Applied Genetics. Theoretische Und Angewandte Genetik
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PubMed
Summary

Advances in pigeonpea genomics and breeding are crucial for enhancing crop yields. Integrating new technologies with traditional methods will improve genetic gains and farmer accessibility for sustainable agriculture.

Keywords:
Generation turnoverGenetic gainGenomic selectionHigh-resolution mappingMale sterilityPigeonpeaSpeed breedingWGRS

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Area of Science:

  • Agricultural Science
  • Plant Breeding
  • Genomics

Background:

  • Pigeonpea is a vital, nutritious, and stress-tolerant legume crop grown in tropical and subtropical regions.
  • Despite decades of breeding, on-farm pigeonpea yields remain below their potential.
  • Hybrid technology has shown promise for yield enhancement in pigeonpea.

Purpose of the Study:

  • To review advances in pigeonpea genomics, breeding, and seed delivery systems.
  • To identify strategies for improving breeding efficiency and achieving higher sustainable yields.
  • To explore the integration of new genomics technologies into breeding programs.

Main Methods:

  • Review of recent genomic resources, including genome-wide markers and sequencing data.
  • Analysis of marker/gene-trait associations for improving yield and market traits.
  • Discussion of new breeding tools such as genomic selection and speed breeding.

Main Results:

  • Significant progress in generating genomic resources for pigeonpea.
  • Application of marker/gene-trait associations in breeding programs.
  • Potential for improved genetic gains through genomic selection and speed breeding.

Conclusions:

  • Integrating advanced genomics with breeding is essential for rapid yield improvements.
  • Systematic selection and utilization of genetic resources are key for adaptation traits.
  • Addressing seed industry challenges is critical for delivering new cultivars to farmers.